{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HPV+Message+3",
    "query": {
      "intervention": "HPV Message 3"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HPV+Message+3&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T01:51:19.193Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT05804825",
      "title": "Testing the Persuasiveness of Pro-inoculation Arguments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccination Hesitancy",
        "Human Papillomavirus Vaccination",
        "Vaccine Refusal"
      ],
      "interventions": [
        {
          "name": "Argument inoculation messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Simple forewarning message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 523,
      "start_date": "2023-05-04",
      "completion_date": "2023-05-24",
      "has_results": false,
      "last_update_posted_date": "2023-07-11",
      "last_synced_at": "2026-10-19T01:51:19.193Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05804825"
    },
    {
      "nct_id": "NCT03628885",
      "title": "An Evaluation of Tailored Messages to Address Parental Questions About HPV Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus Vaccines",
        "Attitude to Health"
      ],
      "interventions": [
        {
          "name": "Top Concern Tailored Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "All Concerns Tailored Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 908,
      "start_date": "2018-09-11",
      "completion_date": "2018-09-27",
      "has_results": true,
      "last_update_posted_date": "2019-04-02",
      "last_synced_at": "2026-10-19T01:51:19.193Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03628885"
    },
    {
      "nct_id": "NCT03033550",
      "title": "Integrating Primary & Secondary Interventions for Cervical Cancer Prevention in Primary Care Settings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "brief negotiated mobile application",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "17 Years",
        "sex": "FEMALE",
        "summary": "9 Years to 17 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2017-05-08",
      "completion_date": "2018-06-08",
      "has_results": false,
      "last_update_posted_date": "2018-07-09",
      "last_synced_at": "2026-10-19T01:51:19.193Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03033550"
    },
    {
      "nct_id": "NCT07217145",
      "title": "PREVENT HPV -Related Cancers Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HPV Vaccination",
        "Uptake Vaccination",
        "Series Completion"
      ],
      "interventions": [
        {
          "name": "PREVENT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1455,
      "start_date": "2025-10-06",
      "completion_date": "2027-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-10-19T01:51:19.193Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07217145"
    },
    {
      "nct_id": "NCT06290206",
      "title": "PREVENT HPV-Related Cancers - BootCamp Translation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV Vaccination",
        "Vaccine; Uptake",
        "Vaccination; Series Completion"
      ],
      "interventions": [
        {
          "name": "PREVENT - BCT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2024-02-02",
      "completion_date": "2024-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-05-18",
      "last_synced_at": "2026-10-19T01:51:19.193Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06290206"
    },
    {
      "nct_id": "NCT01806714",
      "title": "Text Reminders to Immunize in a Managed Care Organization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Text-based reminder for recommended HPV vaccine or WCC",
          "type": "OTHER"
        },
        {
          "name": "Non-specific text-based reminder (general health tip)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "11 Years to 18 Years"
      },
      "enrollment_count": 3812,
      "start_date": "2013-07",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2017-06-26",
      "last_synced_at": "2026-10-19T01:51:19.193Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01806714"
    },
    {
      "nct_id": "NCT07132125",
      "title": "Conversations With AI Chatbots Increase Short-Term Vaccine Intentions But Do Not Outperform Standard Public Health Messaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV Vaccination Intent"
      ],
      "interventions": [
        {
          "name": "Default-style LLM chatbot",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Conversational-style LLM chatbot",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Public health informational materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 930,
      "start_date": "2025-03-17",
      "completion_date": "2025-05-22",
      "has_results": false,
      "last_update_posted_date": "2025-08-20",
      "last_synced_at": "2026-10-19T01:51:19.193Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07132125"
    },
    {
      "nct_id": "NCT05006833",
      "title": "Text and Talk: A Multi-level Intervention to Increase Provider HPV Vaccine Recommendation Effectiveness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV"
      ],
      "interventions": [
        {
          "name": "Brief Provider Training - Bundled Approach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brief Provider Training - Benefits Approach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Parent Interactive Text Message - Bundled Approach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Parent Interactive Text Message - Benefits Approach",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 8043,
      "start_date": "2021-11-18",
      "completion_date": "2026-02-16",
      "has_results": true,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-10-19T01:51:19.193Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05006833"
    },
    {
      "nct_id": "NCT03604393",
      "title": "Increasing HPV Immunization Rates: The Rural Adolescent Vaccine Enterprise",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Practice facilitation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 22000,
      "start_date": "2019-06-01",
      "completion_date": "2023-06",
      "has_results": false,
      "last_update_posted_date": "2022-03-31",
      "last_synced_at": "2026-10-19T01:51:19.193Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03604393"
    },
    {
      "nct_id": "NCT02994108",
      "title": "txt2protect: Using Text Messaging to Increase HPV Vaccination Among Young Sexual Minority Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus"
      ],
      "interventions": [
        {
          "name": "txt2protect",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sexual Health Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "MALE",
        "summary": "18 Years to 25 Years · Male only"
      },
      "enrollment_count": 150,
      "start_date": "2018-01-03",
      "completion_date": "2019-06-30",
      "has_results": true,
      "last_update_posted_date": "2020-07-20",
      "last_synced_at": "2026-10-19T01:51:19.193Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02994108"
    }
  ]
}